package com.ada.webFilter;

import com.ada.IpHolder;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import java.io.IOException;

@WebFilter(urlPatterns = "/*",filterName = "WebRequestFilter")
public class WebRequestFilter implements Filter {

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        String remoteAddr = servletRequest.getRemoteAddr();
        IpHolder.threadLocal.set(remoteAddr);
        filterChain.doFilter(servletRequest,servletResponse);
    }
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.out.println("初始化webFilter");
    }

    @Override
    public void destroy() {
        System.out.println("销毁filter");
    }


}
